Fix InvalidStateException

Author: hoffimar

.gitignore

@@ -60,4 +60,7 @@ fastlane/report.xml
 fastlane/Preview.html
 fastlane/screenshots
 fastlane/test_output
-fastlane/readme.md
+fastlane/readme.md
+
+
+app/release

app/build.gradle

@@ -6,8 +6,8 @@ android {
         applicationId "com.tomatodev.timerdroid"
         minSdkVersion 18
         targetSdkVersion 26
-        versionCode 1412310
-        versionName "3.1.0"
+        versionCode 1412311
+        versionName "3.1.1"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
     }

app/src/main/java/com/tomatodev/timerdroid/fragments/RunningTimersFragment.java

@@ -356,11 +356,13 @@ public void onClick(DialogInterface dialog, int id) {
 	}
 
 	private void fillFavorites() {
-		getLoaderManager().restartLoader(0, null, this);
-		items = new TimerCursorAdapter(this.getActivity(), null, getFragmentManager(), mLocalBinder);
+		if (this.isAdded()) {
+			getLoaderManager().restartLoader(0, null, this);
+			items = new TimerCursorAdapter(this.getActivity(), null, getFragmentManager(), mLocalBinder);
 
-		ListView lv = getActivity().findViewById(R.id.main_list_favorites);
-		lv.setAdapter(items);
+			ListView lv = getActivity().findViewById(R.id.main_list_favorites);
+			lv.setAdapter(items);
+		}
 	}
 
 	private void clearRunningTimers() {

app/src/main/res/values/strings.xml

@@ -20,7 +20,7 @@
     <string name="about_author_label">Author</string>
     <string name="about_author" translatable="false">Martin Hoffmann</string>
     <string name="about_version_label">Version</string>
-    <string name="about_version" translatable="false">3.1.0</string>
+    <string name="about_version" translatable="false">3.1.1</string>
     <string name="about_link"><a href="https://github.com/hoffimar/timerdroid">Website</a></string>
     <string name="menu_about_button_text">OK</string>